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Video scraping: extracting JSON from a 35s screen capture for 1/10th of a cent

(simonwillison.net)
302 points simonw | 4 comments | 17 Oct 24 12:43 UTC | HN request time: 0.202s | source
1. teruakohatu ◴[17 Oct 24 20:23 UTC] No.41873382[source]▶
I admit this is a pretty cool technique, but what is missing is how accurate the data extraction was. Without knowing that it is not possible to judge how useful this technique is.
replies(3): >>41873570 #>>41874840 #>>41875667 #
2. korkybuchek ◴[17 Oct 24 20:44 UTC] No.41873570[source]▶
He said in his tweet that he verified the results.
3. simonw ◴[17 Oct 24 23:27 UTC] No.41874840[source]▶
I watched the 35 second long video and confirmed by eyeballing the JSON that the result was exactly correct.
4. kaveet ◴[18 Oct 24 01:48 UTC] No.41875667[source]▶
> You should never trust these things not to make mistakes, so I re-watched the 35 second video and manually checked the numbers. It got everything right.